LOST ALL MY READING HISTORY IS IT A GLITCH

I was looking into my readimg list and mind you I had this account for 3-5 years idk. So imagine my suprise when I see NONE OF MY READING HISTORY. All my TO READ GONE, MY READ BOOKS LIST GONE AND I HAD A THOUSAND OF READ BOOKS. Im deeply saddened to see my reading history so suddenly erased. Is it a glitch? Can it be recovered? Please help mama needs her yaoi crack